Dwyer Model ULSM Ultrasonic Level Sensor, 9.8′ (3 m) Range, 1 in. NPT thread

The Model ULSM Ultrasonic Level Sensor provides non-contact, continuous ultrasonic level measurement of fluids for medium range applications. Ultrasonic technology paired with automatic temperature compensation provides accurate and reliable measurements in almost all conditions. The Model ULSM has failsafe logic that is easily configured to custom applications via free software removing the need for target calibration. Using the free software, the Model ULSM can be programmed to transmit an output signal as well as set the four relays for control applications. This rugged design comes with a NEMA 6P submersible enclosure rating to ensure a long lasting unit. Applications: Water & Wastewater, Pulp & Paper Processing, Chemical Processing, Food & Beverage, Sump & Process Tanks.
Note: You do however, need a Series ULS, USB Fob and FKM gasket to configure, install and operate Series ULS. USB adapter is necessary for calibration. One adapter can program multiple units.